Patents by Inventor Michihisa Ueda
Michihisa Ueda has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20220098419Abstract: Provided is a method for producing a cured product film, which is capable of increasing the formation accuracy of a fine cured product film and also increasing the adhesion of the cured product film. The method for producing a curable film according to the present invention includes an application step in which a curable composition that is photocurable and thermocurable and also is in liquid form is applied using an ink jet device, a first light irradiation step in which the curable composition is irradiated with light from a first light irradiation part, and a heating step in which a precured product film irradiated with light is heated, the ink jet device has an ink tank to store the curable composition, a discharge part, and a circulation flow path part, and in the application step, the curable composition is applied while being circulated in the ink jet device.Type: ApplicationFiled: December 10, 2021Publication date: March 31, 2022Inventors: Mitsuru Tanikawa, Takashi Watanabe, Michihisa Ueda, Shigeru Nakamura, Hiroshi Maenaka, Ryosuke Takahashi, Takanori Inoue, Yoshito Fujita, Osamu Inui
-
Patent number: 11220604Abstract: Provided is a method for producing a cured product film, which is capable of increasing the formation accuracy of a fine cured product film and also increasing the adhesion of the cured product film. The method for producing a curable film according to the present invention includes an application step in which a curable composition that is photocurable and thermocurable and also is in liquid form is applied using an ink jet device, a first light irradiation step in which the curable composition is irradiated with light from a first light irradiation part, and a heating step in which a precured product film irradiated with light is heated, the ink jet device has an ink tank to store the curable composition, a discharge part, and a circulation flow path part, and in the application step, the curable composition is applied while being circulated in the ink jet device.Type: GrantFiled: November 5, 2014Date of Patent: January 11, 2022Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Mitsuru Tanikawa, Takashi Watanabe, Michihisa Ueda, Shigeru Nakamura, Hiroshi Maenaka, Ryosuke Takahashi, Takanori Inoue, Yoshito Fujita, Osamu Inui
-
Patent number: 10632491Abstract: A liquid ejection device (1) comprising: a first tank (2) for retaining a liquid composition; a head (3) for ejecting the liquid composition; a first heater (4) for heating the liquid composition; a first channel (5); a second heater (6) for heating the liquid composition passing through the first channel (5) at a heating temperature higher than that of the first heater (4); a second channel (7); a second pump (8); and a first pump (9), wherein the temperature difference between the heating temperature of the second heater (6) and the heating temperature of the first heater (4) is 65° C. or less.Type: GrantFiled: September 18, 2015Date of Patent: April 28, 2020Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Michihisa Ueda, Masumi Honda, Naoyuki Morimoto, Takanori Inoue, Takashi Watanabe, Taichi Hamada, Ryosuke Takahashi
-
Patent number: 10259773Abstract: Provided is a curable composition for inkjet which can have a prolonged pot life even under an environment in an inkjet device that is warmed to 50° C. or higher and which can be cured into a cured product having improved heat resistance and insulation reliability, in spite of the fact that a thermally curable compound is used in the curable composition. The curable composition for inkjet according to the present invention contains a photocurable compound, a thermally curable compound, a photopolymerization initiator and a thermal curing agent and does not contain a solvent or contains the solvent, wherein the content of the solvent in 100% by weight of the curable composition is 1% by weight or less when the curable composition for inkjet contains the solvent, the photocurable compound contains a polyfunctional compound having at least two (meth)acryloyl groups, and the thermal curing agent is an aromatic amine having at least one benzene ring and at least two amino groups.Type: GrantFiled: February 12, 2016Date of Patent: April 16, 2019Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Mitsuru Tanikawa, Ryosuke Takahashi, Takanori Inoue, Michihisa Ueda, Tasuku Yamada, Yoshito Fujita, Takashi Watanabe, Yusuke Fujita
-
Patent number: 10160881Abstract: Provided is a curable composition for inkjet applied by an inkjet method, that has a long pot life even in the environment in an inkjet device warmed to 50° C. or higher and excellent insulation reliability by the cured product after curing despite containing a compound having a cyclic ether group. The composition for inkjet according to the present invention is applied by an inkjet method, and cures by heat addition, the composition for inkjet according to the present invention contains a compound having a cyclic ether group and a curing agent, and the curing agent is a reaction viscous product obtained by reacting dicyandiamide with a functional group-containing compound having a functional group reactive with the dicyandiamide.Type: GrantFiled: September 20, 2011Date of Patent: December 25, 2018Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Michihisa Ueda, Takashi Watanabe, Shigeru Nakamura, Shuuji Kage, Toshio Takahashi
-
Patent number: 10100218Abstract: Provided is a curable composition for inkjet, which can have improved storage stability. The curable composition for inkjet according to the present invention can be applied in an inkjet mode, and can be cured by the irradiation with light and the application of heat, the curable composition for inkjet according to the present invention comprises a polyfunctional compound having at least two (meth)acryloyl groups, a compound having a cyclic ether group, a heat-curing agent and a color material which cannot be dissolved in the polyfunctional compound and which is dissolved in the curable composition.Type: GrantFiled: September 19, 2013Date of Patent: October 16, 2018Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Ryosuke Takahashi, Takanori Inoue, Michihisa Ueda, Takashi Watanabe, Shigeru Nakamura
-
Publication number: 20170298005Abstract: Provided is a curable composition for inkjet which can have a prolonged pot life even under an environment in an inkjet device that is warmed to 50° C. or higher and which can be cured into a cured product having improved heat resistance and insulation reliability, in spite of the fact that a thermally curable compound is used in the curable composition. The curable composition for inkjet according to the present invention contains a photocurable compound, a thermally curable compound, a photopolymerization initiator and a thermal curing agent and does not contain a solvent or contains the solvent, wherein the content of the solvent in 100% by weight of the curable composition is 1% by weight or less when the curable composition for inkjet contains the solvent, the photocurable compound contains a polyfunctional compound having at least two (meth)acryloyl groups, and the thermal curing agent is an aromatic amine having at least one benzene ring and at least two amino groups.Type: ApplicationFiled: February 12, 2016Publication date: October 19, 2017Inventors: Mitsuru Tanikawa, Ryosuke Takahashi, Takanori Inoue, Michihisa Ueda, Tasuku Yamada, Yoshito Fujita, Takashi Watanabe, Yusuke Fujita
-
Publication number: 20170158922Abstract: Provided is a photocurable and thermosetting adhesive for inkjet which can increase the thickness accuracy of an adhesive layer formed by curing an adhesive and can further cause the adhesive layer to hardly generate voids. A photocurable and thermosetting adhesive for inkjet according to the present invention contains a photocurable compound, a thermosetting compound, a photopolymerization initiator, and a thermal curing agent, wherein the elastic modulus at 25° C. of a B-staged adhesive is at least 5.0×102 Pa and at most 8.0×104 Pa when the B-staged adhesive is obtained by irradiating the adhesive with light of a cumulative light quantity of 1000 mJ/cm2 so that illumination at a wavelength of 365 nm is 100 mW/cm2.Type: ApplicationFiled: September 18, 2015Publication date: June 8, 2017Applicant: Sekisui Chemical Co., Ltd.Inventors: Mitsuru Tanikawa, Takashi Watanabe, Yusuke Fujita, Yoshito Fujita, Michihisa Ueda, Osamu Inui, Ryosuke Takahashi, Takanori Inoue
-
Publication number: 20160368015Abstract: There is provided a liquid ejection device capable of applying a high quality curable composition stably and efficiently by heating the curable composition to a temperature at which the curable composition can be ejected from a head, in a short time without heating the curable composition rapidly and excessively.Type: ApplicationFiled: September 18, 2015Publication date: December 22, 2016Inventors: Michihisa Ueda, Masumi Honda, Naoyuki Morimoto, Takanori Inoue, Takashi Watanabe, Taichi Hamada, Ryosuke Takahashi
-
Patent number: 9337019Abstract: Provided is a method for producing an electronic component, which is capable of forming a cured adhesive layer easily with high accuracy. The method for producing a curable film electronic component according to the present invention includes an application step in which an adhesive is applied onto a first electronic component body using an ink jet device to form an adhesive layer, a first light irradiation step in which an adhesive layer is irradiated with light from a first light irradiation part, an attachment step in which a second electronic component body is disposed on the adhesive layer irradiated with light and attached, and a step in which the adhesive layer is cured by heating, thereby giving an electronic component, the ink jet device includes an ink tank to store the adhesive, a discharge part, and a circulation flow path part, and in the application step, the adhesive is applied while being circulated in the ink jet device.Type: GrantFiled: November 18, 2014Date of Patent: May 10, 2016Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Mitsuru Tanikawa, Takashi Watanabe, Michihisa Ueda, Shigeru Nakamura, Hiroshi Maenaka, Ryosuke Takahashi, Takanori Inoue, Yoshito Fujita
-
Publication number: 20160046813Abstract: Provided is a method for producing a cured product film, which is capable of increasing the formation accuracy of a fine cured product film and also increasing the adhesion of the cured product film. The method for producing a curable film according to the present invention includes an application step in which a curable composition that is photocurable and thermocurable and also is in liquid form is applied using an ink jet device, a first light irradiation step in which the curable composition is irradiated with light from a first light irradiation part, and a heating step in which a precured product film irradiated with light is heated, the ink jet device has an ink tank to store the curable composition, a discharge part, and a circulation flow path part, and in the application step, the curable composition is applied while being circulated in the ink jet device.Type: ApplicationFiled: November 5, 2014Publication date: February 18, 2016Inventors: Mitsuru Tanikawa, Takashi Watanabe, Michihisa Ueda, Shigeru Nakamura, Hiroshi Maenaka, Ryosuke Takahashi, Takanori Inoue, Yoshito Fujita, Osamu Inui
-
Publication number: 20160049297Abstract: Provided is a method for producing an electronic component, which is capable of forming a cured adhesive layer easily with high accuracy. The method for producing a curable film electronic component according to the present invention includes an application step in which an adhesive is applied onto a first electronic component body using an ink jet device to form an adhesive layer, a first light irradiation step in which an adhesive layer is irradiated with light from a first light irradiation part, an attachment step in which a second electronic component body is disposed on the adhesive layer irradiated with light and attached, and a step in which the adhesive layer is cured by heating, thereby giving an electronic component, the ink jet device includes an ink tank to store the adhesive, a discharge part, and a circulation flow path part, and in the application step, the adhesive is applied while being circulated in the ink jet device.Type: ApplicationFiled: November 18, 2014Publication date: February 18, 2016Inventors: Mitsuru Tanikawa, Takashi Watanabe, Michihisa Ueda, Shigeru Nakamura, Hiroshi Maenaka, Ryosuke Takahashi, Takanori Inoue, Yoshito Fujita
-
Patent number: 9249336Abstract: Provided is a curable composition for inkjet capable of improving uniformity of a cured product film and heat resistance of a cured product. The curable composition for inkjet according to the present invention contains a compound having a (meth)acryloyl group and a cyclic ether group, a photoreactive compound, a compound having a cyclic ether group, a photopolymerization initiator, and a potential curing agent, the photoreactive compound and the compound having a cyclic ether group each are a compound other than the compound having a (meth)acryloyl group and a cyclic ether group, the compound having a (meth)acryloyl group and a cyclic ether group has one or two (meth)acryloyl groups, and the viscosity at 25° C. of the curable composition for inkjet according to the present invention is 160 mPa·s or more and 1200 mPa·s or less.Type: GrantFiled: September 20, 2011Date of Patent: February 2, 2016Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Michihisa Ueda, Takashi Watanabe, Shigeru Nakamura, Shuuji Kage, Toshio Takahashi, Takanori Inoue
-
Publication number: 20150247055Abstract: Provided is a curable composition for inkjet, which can have improved storage stability. The curable composition for inkjet according to the present invention can be applied in an inkjet mode, and can be cured by the irradiation with light and the application of heat, the curable composition for inkjet according to the present invention comprises a polyfunctional compound having at least two (meth)acryloyl groups, a compound having a cyclic ether group, a heat-curing agent and a color material which cannot be dissolved in the polyfunctional compound and which is dissolved in the curable composition.Type: ApplicationFiled: September 19, 2013Publication date: September 3, 2015Inventors: Ryosuke Takahashi, Takanori Inoue, Michihisa Ueda, Takashi Watanabe, Shigeru Nakamura
-
Publication number: 20130216726Abstract: Provided is a curable composition for inkjet applied by an inkjet method, that has a long pot life even in the environment in an inkjet device warmed to 50° C. or higher and excellent insulation reliability by the cured product after curing despite containing a compound having a cyclic ether group. The composition for inkjet according to the present invention is applied by an inkjet method, and cures by heat addition, the composition for inkjet according to the present invention contains a compound having a cyclic ether group and a curing agent, and the curing agent is a reaction viscous product obtained by reacting dicyandiamide with a functional group-containing compound having a functional group reactive with the dicyandiamide.Type: ApplicationFiled: September 20, 2011Publication date: August 22, 2013Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Michihisa Ueda, Takashi Watanabe, Shigeru Nakamura, Shuuji Kage, Toshio Takahashi
-
Publication number: 20130208064Abstract: Provided is a curable composition for inkjet capable of improving uniformity of a cured product film and heat resistance of a cured product. The curable composition for inkjet according to the present invention contains a compound having a (meth)acryloyl group and a cyclic ether group, a photoreactive compound, a compound having a cyclic ether group, a photopolymerization initiator, and a potential curing agent, the photoreactive compound and the compound having a cyclic ether group each are a compound other than the compound having a (meth)acryloyl group and a cyclic ether group, the compound having a (meth)acryloyl group and a cyclic ether group has one or two (meth)acryloyl groups, and the viscosity at 25° C. of the curable composition for inkjet according to the present invention is 160 mPa·s or more and 1200 mPa·s or less.Type: ApplicationFiled: September 20, 2011Publication date: August 15, 2013Inventors: Michihisa Ueda, Takashi Watanabe, Shigeru Nakamura, Shuuji Kage, Toshio Takahashi, Takanori Inoue
-
Publication number: 20090104380Abstract: It is an object of the invention to provide a method of producing a liquid crystal display device which comprises steps of depositing droplets of a spacer particle dispersion at prescribed positions on a substrate by ejecting the spacer particle dispersion with an ink-jet apparatus, then drying the droplets, and thereby arranging the spacer particles on the substrate, which may arrange the spacer particles precisely at prescribed positions, and a spacer particle dispersion preferably usable for the method of producing a liquid crystal display device.Type: ApplicationFiled: May 29, 2006Publication date: April 23, 2009Inventors: Michihisa Ueda, Kazushi Ito, Takeshi Wakiya, Yasuharu Nagai, Yasushi Uematsu
-
Publication number: 20090033859Abstract: It is the object of the present invention to provide: a liquid crystal spacer that can precisely control the interval of two substrates in producing a liquid crystal display apparatus, and can be firmly fixed to the surface of the substrate; a spacer dispersion that can precisely control the interval of two substrates in manufacturing a liquid crystal display apparatus, and can make spacer particles firmly fixed to the surface of a substrate and a spacer dispersion that can precisely dispose spacer particles at a predetermined position on a substrate, a method for producing a liquid crystal display apparatus; and a liquid crystal display apparatus. The invention is a liquid crystal spacer, which comprises a base particle and an adhesive layer provided on the surface of the base particle, the apparent center of the adhesive layer being not identical to the apparent center of the base particle.Type: ApplicationFiled: June 21, 2006Publication date: February 5, 2009Inventors: Michihisa Ueda, Takeshi Wakiya, Tsutomu Ando, Hiroshi Yoshitani
-
Publication number: 20080137025Abstract: It is the object of the present invention to provide a method for producing a liquid crystal display device which comprises a step of arranging spacer particles on the surface of a substrate using an ink-jet device, and particularly to a method for producing a liquid crystal display device in which a spacer particle dispersion is improved.Type: ApplicationFiled: December 27, 2005Publication date: June 12, 2008Inventor: Michihisa Ueda
-
Patent number: 7265806Abstract: It is an object of the present invention to provide a method of fabricating a liquid crystal display, which can prevent degradation in liquid crystal display performance such as contrast due to the cohesion of spacers and fabricate a liquid crystal display of high image quality, having high resolution. The present invention relates to a method of fabricating a liquid crystal display, which has a step of ejecting spacer dispersion liquid obtainable by dispersing a spacer in a dispersion medium in a specific region of the surface of a substrate from a nozzle of an ink-jet system and locating the spacer in a specific region on the substrate, at least 80% by weight of the dispersion medium having a boiling point of 200° C.Type: GrantFiled: October 22, 2003Date of Patent: September 4, 2007Assignee: Sekisui Chemical Co., Ltd.Inventor: Michihisa Ueda